Siddharth Bajpai, M.D.
NPI 1093945727 · Psychiatry Physician · Fairfax, VA
Enrolled with Medicare as Practitioner - Psychiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Siddharth Bajpai, M.D. is a Psychiatry Physician provider in Fairfax, VA (NPI 1093945727).
Provider details
- NPI number
- 1093945727
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- R-8537 (IA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
16 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
1,394 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 744 | $136 |
| Psychotherapy With Evaluation and Management Visit, 30 Minutes90833 | 592 | $75 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 40 | $98 |
| Psychiatric Diagnostic Evaluation With Medical Services90792 | 18 | $205 |
Typical Medicare-allowed amounts for these services range $75–$205 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 45 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Quetiapine Fumarate | 159 | 25 |
| Gabapentin | 158 | 26 |
| Trazodone Hcl | 132 | 32 |
| Lorazepam | 109 | 23 |
| Lamotrigine | 103 | 20 |
| Escitalopram Oxalate | 100 | 22 |
| Buspirone Hcl | 96 | 22 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,594 across 89 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2009-07-15
- Last updated
- 2016-08-02
Frequently asked questions
- What is Siddharth Bajpai's NPI number?
- Siddharth Bajpai's National Provider Identifier (NPI) is 1093945727, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Siddharth Bajpai's specialty?
- Siddharth Bajpai is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Siddharth Bajpai located?
- Siddharth Bajpai's practice location on file with NPPES is 8500 Executive Park Ave, Fairfax, VA 22031-2228.
- What is Siddharth Bajpai's phone number?
- The practice phone number listed in the NPPES registry for Siddharth Bajpai is (319) 356-1616.
- Does Siddharth Bajpai accept Medicare?
- Siddharth Bajpai is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Siddharth Bajpai's NPI active?
- Yes — Siddharth Bajpai's NPI (1093945727) is active in the NPPES registry as of the last update on 2016-08-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.